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vuln-cve/data/2026/21xxx/CVE-2026-21697.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-21697",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-01-02T18:45:27.397Z",
"datePublished": "2026-01-07T22:29:57.393Z",
"dateUpdated": "2026-01-08T20:37:17.978Z"
},
"containers": {
"cna": {
"title": "axios4go's Race Condition in Shared HTTP Client Allows Proxy Configuration Leak",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-362",
"lang": "en",
"description": "CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"baseScore": 8.2,
"baseSeverity": "HIGH",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
"version": "4.0"
}
}
],
"references": [
{
"name": "https://github.com/rezmoss/axios4go/security/advisories/GHSA-cmj9-27wj-7x47",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/rezmoss/axios4go/security/advisories/GHSA-cmj9-27wj-7x47"
},
{
"name": "https://github.com/rezmoss/axios4go/commit/b651604c64e66a115ab90cdab358b0181d74a842",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/rezmoss/axios4go/commit/b651604c64e66a115ab90cdab358b0181d74a842"
},
{
"name": "https://github.com/rezmoss/axios4go/releases/tag/v0.6.4",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/rezmoss/axios4go/releases/tag/v0.6.4"
}
],
"affected": [
{
"vendor": "rezmoss",
"product": "axios4go",
"versions": [
{
"version": "< 0.6.4",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-01-07T22:29:57.393Z"
},
"descriptions": [
{
"lang": "en",
"value": "axios4go is a Go HTTP client library. Prior to version 0.6.4, a race condition vulnerability exists in the shared HTTP client configuration. The global `defaultClient` is mutated during request execution without synchronization, directly modifying the shared `http.Client`'s `Transport`, `Timeout`, and `CheckRedirect` properties. Impacted applications include that that use axios4go with concurrent requests (multiple goroutines, `GetAsync`, `PostAsync`, etc.), those where different requests use different proxy configurations, and those that handle sensitive data (authentication credentials, tokens, API keys). Version 0.6.4 fixes this issue."
}
],
"source": {
"advisory": "GHSA-cmj9-27wj-7x47",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-01-08T20:37:08.423675Z",
"id": "CVE-2026-21697",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-01-08T20:37:17.978Z"
}
}
]
}
}